.bg_left {
				background: url(../img/l1.png) no-repeat center center;
				background-size: cover;
				background-attachment: fixed;
			}
			
.bg_top {
		   background: url(../img/t1.PNG)  no-repeat center center;
		   background-size:cover;
		   background-attachment:fixed;
		}

.bg_right {
		   background: url(../img/r1.png)  no-repeat center center;
		   background-size:cover;
		   background-attachment:fixed;
		}